From 89520641479ee6a8c52cf8fe7063f5f1e41b430f Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@tobru.ch>
Date: Sun, 4 Jun 2023 21:59:37 +0200
Subject: [PATCH] battery check

---
 rak2171.py | 38 ++++++++++++++++++++++++++++----------
 1 file changed, 28 insertions(+), 10 deletions(-)

diff --git a/rak2171.py b/rak2171.py
index d47e70f..0150a68 100644
--- a/rak2171.py
+++ b/rak2171.py
@@ -18,7 +18,7 @@ DST_MQTT_PASS = os.getenv("DST_MQTT_PASS")
 DST_TRACCAR_URL = os.getenv("DST_TRACCAR_URL")
 PUSHOVER_TOKEN = os.getenv("PUSHOVER_TOKEN")
 PUSHOVER_USER_KEY = os.getenv("PUSHOVER_USER_KEY")
-VERSION = "v1.0"
+VERSION = "v1.1"
 
 OT_TOPIC_PREFIX = "owntracks/things/"
 
@@ -42,6 +42,25 @@ def on_log(client, userdata, level, buf):
     # logging.info("got a log message level %s: %s", level, str(buf))
 
 
+def push_msg(msg, device_id):
+    requests.post(
+        "https://api.pushover.net/1/messages.json",
+        data={
+            "token": PUSHOVER_TOKEN,
+            "user": PUSHOVER_USER_KEY,
+            "message": msg,
+            "title": f"Nachricht von {device_id}",
+        },
+    )
+
+
+def check_batt(batt, device_id):
+    msg = f"Batterie von {device_id} ist unter 20%"
+    if batt <= 20 and batt >= 1:
+        logging.info(msg)
+        push_msg(msg=msg, device_id=device_id)
+
+
 # The callback for when a PUBLISH message is received from the server.
 def on_message_ttn(client, userdata, msg):
     data = json.loads(msg.payload)
@@ -63,6 +82,7 @@ def on_message_ttn(client, userdata, msg):
     fix = data["uplink_message"]["decoded_payload"].get("fix", 0)
     sos = data["uplink_message"]["decoded_payload"].get("sos", 0)
     alarm = data["uplink_message"]["decoded_payload"].get("alarm", 0)
+    batt = data["uplink_message"]["decoded_payload"].get("batt", 0)
     if fix == 1:
         logging.info("got payload with a fix")
         ot_data = json.dumps(
@@ -88,24 +108,22 @@ def on_message_ttn(client, userdata, msg):
             OT_TOPIC_PREFIX + device_id, payload=ot_data, retain=True, qos=1
         )
 
+        # check battery
+        check_batt(batt=batt, device_id=device_id)
+
         # send to traccar
         # logging.info("publishing data to traccar")
         # traccar_url = f"{DST_TRACCAR_URL}/?id={device_id}&lat={latitude}&lon={longitude}&timestamp={timestamp}&hdop={hdop}&altitude={altitude}&speed=0"
         # requests.get(traccar_url)
     elif sos == 1:
         logging.info("got payload with a sos")
-        requests.post(
-            "https://api.pushover.net/1/messages.json",
-            data={
-                "token": PUSHOVER_TOKEN,
-                "user": PUSHOVER_USER_KEY,
-                "message": f"SOS from {device_id}",
-            },
-        )
+        push_msg(msg=f"Knopf 5 mal gedrückt", device_id=device_id)
     elif alarm == 1:
         logging.info("got payload with an alarm")
     else:
         logging.info("no usable payload - skipping")
+        # check battery
+        check_batt(batt=batt, device_id=device_id)
 
 
 def shutdown():
@@ -131,7 +149,7 @@ if __name__ == "__main__":
         datefmt="%Y-%m-%d %H:%M:%S %Z",
     )
 
-    logging.info("Starting ioteer rak2171. " + VERSION)
+    logging.info("Starting ioteer rak2171 - " + VERSION)
 
     # Prepare MQTT for The Things Network
     client_ttn = mqtt.Client()